@article{72,
  author = {A. Zozulya and Dana Anderson},
  title = {Nonstationary self-focusing in photorefractive media},
  year = {1995},
  journal = {Optics Letters},
  volume = {20},
  pages = {837},
  month = {1995-01},
  issn = {0146-9592},
  doi = {10.1364/OL.20.000837},
}